line和office的i发音不相同：[aɪ] ，[ɪ] Half of the office is under 30. 公司有一半职工年龄在三十岁以下。
She works in an office. 她在办公室工作。
He was elected to the office of mayor. 他被选上担任市长之职。
Through the good offices of a friend， he was able to get a job.经朋友的大力帮助，他找到了工作。
The office of the mind is to think . 头脑的功能是思考。
